CA2752676A1 - Climb assist system - Google Patents
Climb assist system Download PDFInfo
- Publication number
- CA2752676A1 CA2752676A1 CA2752676A CA2752676A CA2752676A1 CA 2752676 A1 CA2752676 A1 CA 2752676A1 CA 2752676 A CA2752676 A CA 2752676A CA 2752676 A CA2752676 A CA 2752676A CA 2752676 A1 CA2752676 A1 CA 2752676A1
- Authority
- CA
- Canada
- Prior art keywords
- coupled
- sheave
- ladder
- motor
- looped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
- E06C7/186—Rail or rope for guiding a safety attachment, e.g. a fall arrest system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/006—Positive locking brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2127/00—Auxiliary mechanisms
- F16D2127/001—Auxiliary mechanisms for automatic or self-acting brake operation
- F16D2127/002—Auxiliary mechanisms for automatic or self-acting brake operation speed-responsive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Lowering Means (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Handcart (AREA)
- Ladders (AREA)
- Transmission Devices (AREA)
Abstract
A motorized climb assist assembly is provided. The motorized climb assist assembly includes a looped belt, an attaching member, a motor assembly and a fall arrest system. The attaching member is coupled to the looped belt. A safety harness is in turn coupled to attaching member. The motor assembly includes a motor and a drive sheave. The motor has a drive shaft. The drive sheave is coupled to the drive shaft. In addition, the drive sheave is in contact with the looped belt. The fall arrest system is integrated with the drive sheave and is configured to limit the looped belt movement as the result of a fall event.
Claims (26)
1. A climb aid and safety system, comprising:
a motorized climb assist system configured to assist a user in using a ladder, the motorized climb assist system including a looped belt with an attaching member configured and arranged to be coupled to a safety harness of the user, the looped belt providing a pulling force to assist the user in using the ladder; and a fall arrest system integrated with the motorized climb assist system, the fall arrest system configured and arranged to prevent the looped belt from moving during a fall event.
a motorized climb assist system configured to assist a user in using a ladder, the motorized climb assist system including a looped belt with an attaching member configured and arranged to be coupled to a safety harness of the user, the looped belt providing a pulling force to assist the user in using the ladder; and a fall arrest system integrated with the motorized climb assist system, the fall arrest system configured and arranged to prevent the looped belt from moving during a fall event.
2. The system of claim 1, wherein the motorized climb assist system further comprises:
a tension adjusting assembly configured to be coupled proximate a first end of the ladder;
a motor assembly coupled to the tension adjusting assembly, the motor assembly including the fall arrest system; and an upper guide configured to be coupled proximate a second end of the ladder, the motor assembly and the upper guide configured to movably engage the looped belt therebetween.
a tension adjusting assembly configured to be coupled proximate a first end of the ladder;
a motor assembly coupled to the tension adjusting assembly, the motor assembly including the fall arrest system; and an upper guide configured to be coupled proximate a second end of the ladder, the motor assembly and the upper guide configured to movably engage the looped belt therebetween.
3. The system of claim 2, wherein the tensing adjusting assembly further comprises:
a housing including opposing sides with an opening extending through the opposing sides, an attaching member received in the housing, the motor assembly coupled to the attaching member through the opening;
a biasing member having a first end configured to engage the attaching member; and an adjusting member configured to engage a second end of the of the biasing member to adjust a tension in the looped belt.
a housing including opposing sides with an opening extending through the opposing sides, an attaching member received in the housing, the motor assembly coupled to the attaching member through the opening;
a biasing member having a first end configured to engage the attaching member; and an adjusting member configured to engage a second end of the of the biasing member to adjust a tension in the looped belt.
4. The system of claim 3, wherein the motor assembly further comprises:
a motor having a drive shaft;
a drive sheave coupled to the drive shaft;
a retaining plate coupled to the motor; and at least one routing sheave rotationally coupled to the retaining plate, the at least one routing sheave configured to route the looped belt around the drive sheave and to the upper guide.
a motor having a drive shaft;
a drive sheave coupled to the drive shaft;
a retaining plate coupled to the motor; and at least one routing sheave rotationally coupled to the retaining plate, the at least one routing sheave configured to route the looped belt around the drive sheave and to the upper guide.
5. The system of claim 4, further comprising;
a movement sensor configured to detect motion of the at least one routing sheave.
a movement sensor configured to detect motion of the at least one routing sheave.
6. The system of claim 5, further comprising:
a controller configured to control the motor, the controller further configured to control the motor based at least in part on a signal from the movement sensor.
a controller configured to control the motor, the controller further configured to control the motor based at least in part on a signal from the movement sensor.
7. The system of claim 4, wherein the drive sheave includes a slip clutch that engages the drive shaft of the motor.
8. The system of claim 2, wherein the fall arrest system of the motor assembly fitter comprises:
a ring catch coupled to the motor assembly, the ring catch including inner protrusions;
at least one pawl pivotally coupled to the drive sheave, the at least one pawl configured to engage at least one inner protrusion of the ring catch to prevent the drive shaft from rotating thereby preventing the looped belt from moving during a fall event; and an elastic bushing for each pawl, each elastic bushing positioned about a pivot connect that pivotally connects an associated pawl to the drive sheave.
a ring catch coupled to the motor assembly, the ring catch including inner protrusions;
at least one pawl pivotally coupled to the drive sheave, the at least one pawl configured to engage at least one inner protrusion of the ring catch to prevent the drive shaft from rotating thereby preventing the looped belt from moving during a fall event; and an elastic bushing for each pawl, each elastic bushing positioned about a pivot connect that pivotally connects an associated pawl to the drive sheave.
9. The system of claim 2, wherein the upper guide further comprises:
an extension member having a first end configured to be coupled proximate the second end of the ladder;
an upper mounting plate coupled proximate a second end of the extension member, and an upper sheave rotationally coupled to the upper mounting plate, the upper sheave configured to engage the looped belt.
an extension member having a first end configured to be coupled proximate the second end of the ladder;
an upper mounting plate coupled proximate a second end of the extension member, and an upper sheave rotationally coupled to the upper mounting plate, the upper sheave configured to engage the looped belt.
10. The system of claim 9, wherein the upper mounting plate is an upper adjusting plate that is slidably attached to the extension member to adjust a position of the upper sheave.
11. The system of claim 2, further comprising:
a controller coupled to control the motor assembly; and a movement sensor configured to sense the movement of the looped belt, the movement sensor in communication with the controller, wherein the controller controls the motor assembly based at least in part on signals from the movement sensor.
a controller coupled to control the motor assembly; and a movement sensor configured to sense the movement of the looped belt, the movement sensor in communication with the controller, wherein the controller controls the motor assembly based at least in part on signals from the movement sensor.
12. The system of claim 11, further comprising:
user inputs configured to provide control signals to the controller; and at least one output configured to indicate a current state of the motor assembly.
user inputs configured to provide control signals to the controller; and at least one output configured to indicate a current state of the motor assembly.
13. The system of claim 12, wherein the user inputs are at least one selected from a group of inputs consisting of a pull-up force adjustment, a start/stop, an emergency stop and a retrieval.
14. The system of claim 2, wherein the looped belt is one selected from a group consisting of an elongated member, looped cable and a looped rope.
15. A motorized climb assist system comprising:
a looped belt;
an attaching member coupled to the looped belt configured to attach a safety harness thereto;
a motor assembly including, a motor having a drive shaft, and a drive sheave coupled to the drive shaft, the drive sheave in contact with the looped belt; and a fall arrest system integrated with the drive sheave, the fall arrest system configured to limit the looped belt movement as the result of a fall event.
a looped belt;
an attaching member coupled to the looped belt configured to attach a safety harness thereto;
a motor assembly including, a motor having a drive shaft, and a drive sheave coupled to the drive shaft, the drive sheave in contact with the looped belt; and a fall arrest system integrated with the drive sheave, the fall arrest system configured to limit the looped belt movement as the result of a fall event.
16. The motorized climb assist system of claim 15, wherein the looped belt is one selected from a group consisting of an elongated member, a looped cable and a looped rope.
17. The motorized climb assist system of claim 15, wherein the drive sheave is configured to move the looped belt when in use for climb assist and limit movement of the looped belt in response to a fall event via the fall arrest system.
18. The motorized climb assist system of claim 15, further comprising:
a retaining plate coupled to the motor; and at least one routing sheave rotationally coupled to the retaining plate, the at least one routing sheave configured to route the looped belt to the drive sheave.
a retaining plate coupled to the motor; and at least one routing sheave rotationally coupled to the retaining plate, the at least one routing sheave configured to route the looped belt to the drive sheave.
19. The motorized climb assist system of claim 18, further comprising:
a tension adjusting assembly coupled proximate a first end of a ladder, the tension adjusting assembly further coupled to the motor assembly, the tension adjusting assembly configured to adjust a tension in the looped belt around the drive sheave;
an upper guide having a first end coupled to the ladder a select distance from the first end of the ladder; and an upper sheave coupled proximate a second end of the upper guide, the looped belt engaged with the upper sheave.
a tension adjusting assembly coupled proximate a first end of a ladder, the tension adjusting assembly further coupled to the motor assembly, the tension adjusting assembly configured to adjust a tension in the looped belt around the drive sheave;
an upper guide having a first end coupled to the ladder a select distance from the first end of the ladder; and an upper sheave coupled proximate a second end of the upper guide, the looped belt engaged with the upper sheave.
20. The motorized climb assist system of claim 19, wherein the tension adjusting assembly further comprises:
a housing including an opening extending therethrough;
an attaching member received in the housing, the retaining plate of the motor assembly coupled to the attaching member through the opening;
a biasing member having a first end configured to engage the attaching member; and an adjusting member configured to engage a second end of the biasing member to adjust a tension in a cable engaged with the climb assist system.
a housing including an opening extending therethrough;
an attaching member received in the housing, the retaining plate of the motor assembly coupled to the attaching member through the opening;
a biasing member having a first end configured to engage the attaching member; and an adjusting member configured to engage a second end of the biasing member to adjust a tension in a cable engaged with the climb assist system.
21. The motorized climb assist system of claim 15, further comprising:
a motion sensor configured to detect motion of the looped belt; and a controller coupled to control the motor, the controller further coupled to receive signals form the motion sensor and control the motor based at least in part by received signals from the motion sensor.
a motion sensor configured to detect motion of the looped belt; and a controller coupled to control the motor, the controller further coupled to receive signals form the motion sensor and control the motor based at least in part by received signals from the motion sensor.
22. A climb assist system, comprising;
a tension adjusting assembly coupled proximate a first end of a ladder;
a motor having a drive shaft;
a drive sheave coupled to the drive shaft;
a retaining plate coupled to the motor and the tension adjusting assembly;
a first routing sheave rotationally coupled to the retaining plate;
a second routing sheave rotationally coupled to the retaining plate;
a third routing sheave rotationally coupled to the retaining plate, wherein the third routing sheave is positioned on a different side of the ladder than the drive sheave, the first sheave and the second sheave;
an upper guide having a first end and second end, the first end of the upper guide coupled proximate a second end of the ladder, an upper sheave coupled proximate the second end of the upper guide;
a looped cable engaged with the drive sheave, the upper sheave, and the first, second and third routing sheaves, wherein the first, second and third sheaves are configured to route the looped cable between the drive sheave and the upper sheave;
and an attaching member configured to attach a safety harness to the looped belt.
a tension adjusting assembly coupled proximate a first end of a ladder;
a motor having a drive shaft;
a drive sheave coupled to the drive shaft;
a retaining plate coupled to the motor and the tension adjusting assembly;
a first routing sheave rotationally coupled to the retaining plate;
a second routing sheave rotationally coupled to the retaining plate;
a third routing sheave rotationally coupled to the retaining plate, wherein the third routing sheave is positioned on a different side of the ladder than the drive sheave, the first sheave and the second sheave;
an upper guide having a first end and second end, the first end of the upper guide coupled proximate a second end of the ladder, an upper sheave coupled proximate the second end of the upper guide;
a looped cable engaged with the drive sheave, the upper sheave, and the first, second and third routing sheaves, wherein the first, second and third sheaves are configured to route the looped cable between the drive sheave and the upper sheave;
and an attaching member configured to attach a safety harness to the looped belt.
23. The climb assist system of claim 22, further comprising a fall arrest system configured to prevent movement of the looped cable in the event of a fall, the fall arrest system comprising:
24 a ring catch having internal protrusions; and at least one pawl couple to the drive sheave configured to engage at least one of the internal protrusion of the ring catch in the event of a fall to prevent movement of the drive sheave.
24. The climb assist system of claim 22, further comprising:
a cable position adjustment plate slidably coupled to the upper guide, the upper sheave rotationally coupled to the cable position adjustment plate, wherein the cable position adjustment plate is configured to adjust the position of the upper sheave.
24. The climb assist system of claim 22, further comprising:
a cable position adjustment plate slidably coupled to the upper guide, the upper sheave rotationally coupled to the cable position adjustment plate, wherein the cable position adjustment plate is configured to adjust the position of the upper sheave.
25. The climb assist of claim 22, wherein the tension adjusting assembly further comprises:
a housing including an opening extending therethrough, an attaching member received in the housing, the motor assembly coupled to the attaching member through the opening;
a biasing member having a first end configured to engage the attaching member; and an adjusting member configured to engage a second end of the of the biasing member to adjust a tension in a cable engaged with the climb assist system.
a housing including an opening extending therethrough, an attaching member received in the housing, the motor assembly coupled to the attaching member through the opening;
a biasing member having a first end configured to engage the attaching member; and an adjusting member configured to engage a second end of the of the biasing member to adjust a tension in a cable engaged with the climb assist system.
26. The climb assist system of claim 22, further comprising:
the tension adjusting assembly having a first ladder hook configured to engage the ladder while the tension adjusting assembly is being coupled to the ladder; and the upper guide having a second ladder hook configured to engage the ladder while the upper guide is being coupled to the ladder.
the tension adjusting assembly having a first ladder hook configured to engage the ladder while the tension adjusting assembly is being coupled to the ladder; and the upper guide having a second ladder hook configured to engage the ladder while the upper guide is being coupled to the ladder.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19671609P | 2009-03-02 | 2009-03-02 | |
| US61/196,716 | 2009-03-02 | ||
| US16745909P | 2009-04-07 | 2009-04-07 | |
| US61/167,459 | 2009-04-07 | ||
| US12/694,079 | 2010-01-26 | ||
| US12/694,079 US9080383B2 (en) | 2009-03-02 | 2010-01-26 | Climb assist system |
| PCT/US2010/024905 WO2010101725A2 (en) | 2009-03-02 | 2010-02-22 | Climb assist system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2752676A1 true CA2752676A1 (en) | 2010-09-10 |
Family
ID=42666530
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2752676A Abandoned CA2752676A1 (en) | 2009-03-02 | 2010-02-22 | Climb assist system |
| CA2749207A Abandoned CA2749207A1 (en) | 2009-03-02 | 2010-02-23 | Fall arrest assembly |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2749207A Abandoned CA2749207A1 (en) | 2009-03-02 | 2010-02-23 | Fall arrest assembly |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US20100219016A1 (en) |
| EP (2) | EP2404023B1 (en) |
| JP (1) | JP5680562B2 (en) |
| CN (2) | CN101978129B (en) |
| AU (2) | AU2010221651B2 (en) |
| BR (2) | BRPI1012304A2 (en) |
| CA (2) | CA2752676A1 (en) |
| DK (1) | DK2404023T3 (en) |
| MX (1) | MX2011009156A (en) |
| RU (2) | RU2522689C2 (en) |
| SG (2) | SG173784A1 (en) |
| WO (2) | WO2010101725A2 (en) |
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2010
- 2010-01-26 US US12/694,086 patent/US20100219016A1/en not_active Abandoned
- 2010-01-26 US US12/694,079 patent/US9080383B2/en not_active Expired - Fee Related
- 2010-02-22 RU RU2011136884/03A patent/RU2522689C2/en not_active IP Right Cessation
- 2010-02-22 WO PCT/US2010/024905 patent/WO2010101725A2/en active Application Filing
- 2010-02-22 AU AU2010221651A patent/AU2010221651B2/en not_active Ceased
- 2010-02-22 DK DK10705079.1T patent/DK2404023T3/en active
- 2010-02-22 CN CN201080000691.5A patent/CN101978129B/en not_active Expired - Fee Related
- 2010-02-22 BR BRPI1012304A patent/BRPI1012304A2/en not_active Application Discontinuation
- 2010-02-22 SG SG2011060076A patent/SG173784A1/en unknown
- 2010-02-22 EP EP10705079.1A patent/EP2404023B1/en not_active Not-in-force
- 2010-02-22 CA CA2752676A patent/CA2752676A1/en not_active Abandoned
- 2010-02-23 CN CN201080000692.XA patent/CN101952538B/en not_active Expired - Fee Related
- 2010-02-23 RU RU2011135625/03A patent/RU2011135625A/en not_active Application Discontinuation
- 2010-02-23 EP EP10705082.5A patent/EP2404024B1/en not_active Not-in-force
- 2010-02-23 WO PCT/US2010/024967 patent/WO2010101727A1/en active Application Filing
- 2010-02-23 SG SG2011059532A patent/SG173754A1/en unknown
- 2010-02-23 AU AU2010221653A patent/AU2010221653B2/en not_active Ceased
- 2010-02-23 CA CA2749207A patent/CA2749207A1/en not_active Abandoned
- 2010-02-23 BR BRPI1008683A patent/BRPI1008683A2/en not_active Application Discontinuation
- 2010-02-23 MX MX2011009156A patent/MX2011009156A/en active IP Right Grant
- 2010-02-23 JP JP2011552973A patent/JP5680562B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012519055A (en) | 2012-08-23 |
| EP2404023A2 (en) | 2012-01-11 |
| SG173784A1 (en) | 2011-10-28 |
| AU2010221651B2 (en) | 2014-07-24 |
| WO2010101725A2 (en) | 2010-09-10 |
| CN101952538B (en) | 2013-05-22 |
| AU2010221653B2 (en) | 2014-07-17 |
| BRPI1008683A2 (en) | 2016-03-08 |
| WO2010101725A9 (en) | 2010-10-28 |
| CA2749207A1 (en) | 2010-09-10 |
| CN101978129A (en) | 2011-02-16 |
| US20100219015A1 (en) | 2010-09-02 |
| MX2011009156A (en) | 2011-10-28 |
| CN101978129B (en) | 2012-10-17 |
| EP2404024B1 (en) | 2013-08-21 |
| AU2010221653A1 (en) | 2011-07-21 |
| EP2404023B1 (en) | 2013-12-11 |
| WO2010101725A3 (en) | 2010-12-16 |
| JP5680562B2 (en) | 2015-03-04 |
| DK2404023T3 (en) | 2014-01-20 |
| WO2010101727A1 (en) | 2010-09-10 |
| AU2010221651A1 (en) | 2011-08-25 |
| BRPI1012304A2 (en) | 2016-03-15 |
| SG173754A1 (en) | 2011-09-29 |
| RU2011136884A (en) | 2013-04-10 |
| CN101952538A (en) | 2011-01-19 |
| RU2011135625A (en) | 2013-04-10 |
| RU2522689C2 (en) | 2014-07-20 |
| US20100219016A1 (en) | 2010-09-02 |
| EP2404024A1 (en) | 2012-01-11 |
| US9080383B2 (en) | 2015-07-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20140827 |
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| FZDE | Discontinued |
Effective date: 20170919 |